There were 15 minutes between the first air raid alert and the sounding of the all-clear signal.
从第一个空袭警报到警报解除号音其间有15分钟。
Steinbruck told the Bild am Sonntag newspaper: "Any all-clear signal would be false."
施泰因布吕克告诉德国图片报：“任何解除警报的信号都是假的。”
However, tracking data showed the debris would not come close enough to warrant an evacuation of the station, NASA said in a statement issued after the crew was given the all-clear signal.
然而，在空间站人员收到警报解除的信号之后，NASA发布了一份声明，称跟踪数据表明卫星碎片的距离不会接近到需要确保能进行空间站撤离的地步。
For all of 2009 output declined by 2.4%, but for Americans weary from two years of declining employment, the fourth-quarter figure offers a clear signal that the worst is over.
2009年的产量下降了2.4%，美国人已厌烦了持续两年下降的就业率，而第四季度的数字明确显示最坏的时期已经过去。
The attendants set up a barrier to the cockpit and give us an all-clear signal to open the door, as we don't have a separate bathroom and have to use the same one as everyone else.
乘务员就会在驾驶舱前拉开一道屏障，然后给我们发送一个无人信号才能使用。
The crew was given the all-clear signal at 2:41 p.m., NASA said, less than two hours before the 4:21 p.m. estimate officials had given for when the debris was expected to pass by the station.
美国宇航局表示，预测人员估计太空碎片将于4点21分经过空间站，宇航员们在约两小时之前的2点41分收到警报解除信号。
In that case we would never add up all the parts of the signal at the same time, and would never see the clear spike that tells us that a pulse from outer space has been received.
这样的话我们就不能把信号的所有部分都结合起来，也就看不到外太空脉冲那明显的尖峰了。
This is a very clear signal for risk off and I would play sterling from the short side all day today with the idea to be flat by US equity open for the weekend.
现在市场存在明显的风险信号，考虑到美国股市周末将持平，我今天一整天会做空英镑。
This is a very clear signal for risk off and I would play sterling from the short side all day today with the idea to be flat by US equity open for the weekend.
现在市场存在明显的风险信号，考虑到美国股市周末将持平，我今天一整天会做空英镑。
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